Why can't I hear the sirens when I am inside my house or another building?
The Outdoor Warning System is designed to alert persons who are outside to move indoors, seek shelter and seek information. The system may not be audible from inside your home and it is not designed to wake you in the middle of the night.

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1. Does the City of McKinney have a public storm shelter?
2. How am I supposed to be warned of potential threats if I am inside?
3. What do I do if I hear the OWS sirens?
4. Should I call 911 if I hear the OWS sirens activate?
5. Why can't I hear the sirens when I am inside my house or another building?